RolePrincipal.ToEncryptedTicket 方法

定义

命名空间:

System.Web.Security

程序集:

System.Web.dll

返回利用 RolePrincipal 对象缓存并根据 CookieProtectionValue 加密的角色信息。

public:
 System::String ^ ToEncryptedTicket();

public string ToEncryptedTicket ();

member this.ToEncryptedTicket : unit -> string

Public Function ToEncryptedTicket () As String

返回

String

利用 RolePrincipal 对象缓存并根据 CookieProtectionValue 加密的角色信息。

示例

下面的代码示例将方法的结果 ToEncryptedTicket 写入角色 Cookie。

try
{
  RolePrincipal r = (RolePrincipal)User;
  string eTicket = r.ToEncryptedTicket();
  HttpCookie cookie = new HttpCookie(Roles.CookieName, eTicket);
  cookie.Path = Roles.CookiePath;
  cookie.Expires = r.ExpireDate;
  Response.Cookies.Add(cookie);
}
catch (InvalidCastException)
{
  Response.Write("User is not of type RolePrincipal. Are roles enabled?");
}

Try
  Dim r As RolePrincipal = CType(User, RolePrincipal)
  Dim eTicket As String = r.ToEncryptedTicket()
  Dim cookie As HttpCookie = New HttpCookie(Roles.CookieName, eTicket)
  cookie.Path = Roles.CookiePath
  cookie.Expires = r.ExpireDate
  Response.Cookies.Add(cookie)
Catch e As InvalidCastException
  Response.Write("User is not of type RolePrincipal. Are roles enabled?")
End Try

注解

该方法返回ToEncryptedTicket的值存储在角色 Cookie 中（如果为 true）中CacheRolesInCookie。

另请参阅

• 使用 ASP.NET 角色管理授权